[PATCH v2 4/5] dt-bindings: spi: add binding doc for spi-mtk-snfi

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Mon Apr 4 06:49:53 PDT 2022


On 04/04/2022 06:01, Chuanhong Guo wrote:
> Add device-tree binding documentation for Mediatek SPI-NAND Flash
> Interface.
> 
> Signed-off-by: Chuanhong Guo <gch981213 at gmail.com>
> ---
> 
> Changes since v1:
>   1. add a blank line between properties in dt binding doc
>   2. rename ecc-engine to nand-ecc-engine for the generic properties
> 
>  .../bindings/spi/mediatek,spi-mtk-snfi.yaml   | 88 +++++++++++++++++++
>  1 file changed, 88 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> 
> diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> new file mode 100644
> index 000000000000..7d57570ad617
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
> @@ -0,0 +1,88 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/mediatek,spi-mtk-snfi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SPI-NAND flash controller for MediaTek ARM SoCs
> +
> +maintainers:
> +  - Chuanhong Guo <gch981213 at gmail.com>
> +
> +description: |
> +  The Mediatek SPI-NAND flash controller is an extended version of
> +  the Mediatek NAND flash controller. It can perform standard SPI
> +  instructions with one continuous write and one read for up-to 0xa0
> +  bytes. It also supports typical SPI-NAND page cache operations
> +  in single, dual or quad IO mode with piplined ECC encoding/decoding
> +  using the accompanying ECC engine. There should be only one spi
> +  slave device following generic spi bindings.
> +
> +allOf:
> +  - $ref: /schemas/spi/spi-controller.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,mt7622-snand
> +      - mediatek,mt7629-snand
> +
> +  reg:
> +    items:
> +      - description: core registers
> +
> +  interrupts:
> +    items:
> +      - description: NFI interrupt
> +
> +  clocks:
> +    items:
> +      - description: clock used for the controller
> +      - description: clock used for the SPI bus
> +
> +  clock-names:
> +    items:
> +      - const: nfi_clk
> +      - const: pad_clk
> +
> +  nand-ecc-engine:
> +    description: device-tree node of the accompanying ECC engine.
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - clock-names
> +  - ecc-engine

Wrong name.


Best regards,
Krzysztof



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